AVIC View-i HD Dual Lens Tamper-Proof Professional Dash Cam (Inside and Outside Video Recording) with Black Box Technology & SD Card Lock with Key, Internal GPS Sensor & G-Sensor Tamper-proof edition: lockable memory card cover and integrated power wire harness Continuous, Event, Manual Recording to SD Card Supports up to 64GB Front and Rear-Facing 720p 30 fps Cameras with Mic and Removable IR Illuminator Automatic Activation In An Accident - A Sudden Impact Triggers The Camera To Records Up To 15 Seconds Before and After The Shock Range and Is Saved Automatically As An Events Recording Built-In GPS Logs Position and Speed - Sync GPS Information with Google Map